Air China Boeing 737 lost cabin pressure and dropped to 25,000 feet in 10 minutes

According to South China Morning Post, The flight CA106 made an emergency initial descent to 14,100 feet in four and ½ minutes, after a sudden loss of cabin pressure. The flight further descend to 10,000 feet and climbed to en-route level again and continued to destination.

The aircraft began descending at 7.40pm while travelling between Shantou and Xiamen, half an hour after it took off from Hong Kong International Airport.